Explorers are reminded of the system.
Elicit anything that they know about prime colours.
Our goal is to learn to tell numbers as prime colours and vice versa.
First in two groups attempt to put them in numerical order with colours facing up. Rules, touch one card at a time. You can look but must be put down colours up.
Discuss which numbers are easy to remember and which ones harder.
Create a web of prime colours. link each card with other cards that are just one disk away from them. Start with numbers up to 20. If those are completed, they can be given more cards to add to their web.
When finished explorers can turn the numbers over to reveal the numbers and a number web. They can then talk about the connections and how one could travel on the web. What's the quickest way to get from one number to a different one
Elicit anything that they know about prime colours.
Our goal is to learn to tell numbers as prime colours and vice versa.
First in two groups attempt to put them in numerical order with colours facing up. Rules, touch one card at a time. You can look but must be put down colours up.
Discuss which numbers are easy to remember and which ones harder.
Create a web of prime colours. link each card with other cards that are just one disk away from them. Start with numbers up to 20. If those are completed, they can be given more cards to add to their web.
When finished explorers can turn the numbers over to reveal the numbers and a number web. They can then talk about the connections and how one could travel on the web. What's the quickest way to get from one number to a different one
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